音标：[ˈkrəʊməˌsəʊm ˈnʌmbə] ；

染色体数

chromosome number的用法和样例：

例句

DeWoody said that this is an unusual finding, since species within a single genus often have the same chromosome number.代物第说这是个不寻常的发现，因为在单个类中的同种物体染色体数通常是相同的。

Sleepwalking

Alice: Hello, I'm AliceStephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to tell stories in my sleep. Al

发表于:2018-11-29 / 阅读(205) / 评论(0)

六分钟英语

SSS 2011-12-27

This is Scientific American's sixty seconds science, I'm Steve Mirsky. Got a minute? The eastern green tree frog looks exactly like the close related cops gree tree frog, the big difference between the two species is beneath the surface. The eastern

发表于:2018-12-02 / 阅读(127) / 评论(0)

Scientific American(十二)月

SSS 2009-12-10

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(127) / 评论(0)

Scientific American(十二)月

趣味青春英语第22期:Like a moth to a flame

Idiom: Like a moth to a flame ( doing something attractive and dangerous ) Hit the book: Potion Disability Inspire Down syndrome Chromosome

发表于:2018-12-27 / 阅读(162) / 评论(0)

趣味青春英语

【一起听英语】梦游症

梦游症是会遗传的。 Alice: Hello, I'm Alice Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to

发表于:2018-12-27 / 阅读(179) / 评论(0)

一起听英语

【一起听英语】男女比例会失衡吗

今天文章讲的是男性基因染色体的问题，如果男性染色体正发生着变化，会造成地球上男女比例失衡吗？ Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. R

发表于:2018-12-27 / 阅读(104) / 评论(0)

一起听英语

英语课程计划-World Down Syndrome Day

World Down Syndrome Day is on March the 21st every year. It is on this day because the number 21 is important in the identification of Down Syndrome. The condition is created by a 21st, extra chromosome being replicated three times, thus causing the

发表于:2018-12-29 / 阅读(201) / 评论(0)

英语课程学习计划和讲义

探究长寿基因

93 探究长寿基因 SCIENCE REPORT - September 12, 2001: Search for Long Life GeneBy Nancy Steinbach （Start at 1'01

发表于:2019-01-02 / 阅读(132) / 评论(0)

科技之光

The extinction of men

Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r

发表于:2019-01-07 / 阅读(204) / 评论(0)

六分钟英语

CNN 2010-12-03

Are you in the holiday spirit yet? Well, let's take you Cross Country, beginning in Pittsburgh, Pennsylvania. You might now. Its pretty. Bob Cox loves to make the holiday light display a pretty big spectacle with 150,000 computer-animated lights. Now

发表于:2019-01-07 / 阅读(152) / 评论(0)

CNN2010年(十二)月

2005年NPR美国国家公共电台九月-Scientists: Male Chromosome Won't Lead to

Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

发表于:2019-01-08 / 阅读(364) / 评论(0)

2005年NPR美国国家公共电台

老长痘？不哭！因为你会活的比较久

It might be cold comfort for those of you struggling with bad skin right now, but a new study has found that people with acne tend to have younger-looking skin as they grow older. 也许对于正在与坏皮肤斗争的你们来说无济于事，但是

发表于:2019-01-08 / 阅读(163) / 评论(0)

阅读空间

VOA慢速英语2010年-Health Report - Study Finds No Reason

This is the VOA Special English Health Report. A miscarriage is the natural loss of a pregnancy before the twentieth week. This happens to as many as twenty percent of known pregnancies. Experts say many pregnancies end before a woman even knows she

发表于:2019-01-11 / 阅读(122) / 评论(0)

2010年VOA慢速英语(八)月

【文摘】男性生物钟

Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases

发表于:2019-01-26 / 阅读(173) / 评论(0)

阅读空间

VOA标准英语2011--Scientists Study Genetic Basis of Autism

Scientists Study Genetic Basis of Autism Scientists have taken another big step toward identifying the genetic flaws which may cause autism, a type of neurological development disorder. In the latest development, laboratory mice have been genetically

发表于:2019-01-31 / 阅读(132) / 评论(0)

VOA标准英语2011年(十月)

梦想成真 2014年实现的15个预言

As 2014 comes to a close, it's time to reflect on the most futuristic breakthroughs and developments of the past year. Here are 15 predictions that came true in 2014. 2014年已经过去，现在来总结过去一年中最具前瞻性和影响力的重

发表于:2019-02-01 / 阅读(193) / 评论(0)

阅读空间

基因工程常用词汇

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发表于:2019-02-01 / 阅读(111) / 评论(0)

英文语法词汇

研究：个子矮小皆因基因数量不足

A shortage of genes could be to blame for the lack of height in short people, researchers have found. Two studies involving 12,000 people has been carried out in America and found a link between the amount of missing genetic material and a decrease i

发表于:2019-02-13 / 阅读(129) / 评论(0)

阅读空间

经济学人:自闭症为什么不是雨女

Autism 自闭症 Why it's not Rain Woman 为什么它不是雨女 Women have fewer cognitive disorders than men do because their bodies are better at ignoring the mutations which cause them 与男性相比，患有认知障碍的女性较少，因为她

发表于:2019-02-16 / 阅读(112) / 评论(0)

经济学人科技系列

这些健康新知识你了解多少

1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比，草饲牛肉中某种有益健康的营养素含量更高，并让脂肪呈现黄色，这种

发表于:2019-02-18 / 阅读(181) / 评论(0)

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